Thermia iTec Eco Commissioning
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Thermia iTec Eco Commissioning

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Summary of Contents for Thermia iTec Eco

  • Page 1 Commissioning iTec Eco www.thermia.com...
  • Page 2 Thermia AB is not liable or bound by warranty if these instructions are not adhered to during installation or service. The English language is used for the original instructions. Other languages are a translation of the original instructions. (Directive 2006/42/EC)

  • Page 3: Table Of Contents

    Commissioning iTec Eco Table of Contents About documents and decals ............

  • Page 4: About Documents And Decals

    Commissioning iTec Eco About documents and decals Introduction The following documents are available for this product: ▪ The Installation Quick Guide is an illustrated step-by-step guide on how to install the heat pump. Supplied with the heat pump on delivery.

  • Page 5: Symbols On Decals

    Commissioning iTec Eco Symbols on decals The following symbols can occur on decals on the different parts of the heat pump. Which symbols are used depends on the heat pump model. 1.3.1 General Warning, danger! Read the documentation provided. Read the documentation provided.

  • Page 6: Important Information/Safety Regulation

    General safety precautions Carefully follow the precautions listed as below because they are essential to guarantee the safety of Thermia product. Store the manual in a safe place in order to be able to use it as reference after installation. Remember to hand it over to the new owner if the heat pump unit is sold or transferred.
  • Page 7 If there is any risk of groundwater infiltration at wall lead-ins for con- Caution nected pipes, watertight grommets must be used. When the Thermia Air-to-Water Heat Pump system is used in series with another heat source (e.g. gasboiler), ensure that the return water temperature not exceed 65°C.
  • Page 8 Commissioning iTec Eco Make sure you wait before performing any work in the heat pump af- Warning ter turning off the power, because the unit contains capacitors which may be charged. Do not start the unit ( iTec Total/Plus, iTec Total EQ) if there is a possi- Caution bility of frozen water in the immersion heater.

  • Page 9: Configuration Of Control System

    Commissioning iTec Eco Configuration of control system Commissioning The installation may only be commissioned if the hydraulic system has Caution been filled and bled. Otherwise circulation pump can be damaged. If the installation is only to be driven by the auxiliary heater during the installation, ensure that the heating system is filled and compressor cannot be started.
  • Page 10 Commissioning iTec Eco When power is supplied to the control unit, the first menu that appears in the display is the DIRECT EVAP. Menu. A heat pump size must be set before configuring the control system and completing the commissioning.

  • Page 11: Activate The Electrical Immersion Heater In Itec Total/Plus And Itec Total Eq

    Commissioning iTec Eco Activate the electrical immersion heater in iTec Total/Plus and iTec Total EQ If the heat demand is greater than the heat pump’s compressor capacity, the auxiliary heater engages automatically in operating mode AUTO. iTec Total has three outputs, IMM. HEAT 1, IMM. HEAT 2 (factory default) and IMM. HEAT 3 and output can be controlled in five steps.

  • Page 12: Activate External Auxiliary Heater In Itec Standard

    Commissioning iTec Eco Activate external auxiliary heater in iTec Standard If a single power stage heater is used (on/off heater, can be an oil burner or equivalent), this setting is the appropriate one. The potential free outputs must be used.

  • Page 13: Hot Water Mode

    Commissioning iTec Eco Activating the hot water production in the INFORMATION menu: ▪ INFORMATION ▪ Press minus - to get to the HOT WATER entry. ▪ Press right arrow (>) to select hot water. ▪ Press right arrow (>) to activate hot water sub menu.

  • Page 14: Distribution Circuits

    Commissioning iTec Eco Activating cooling in the service menu: ▪ SERVICE ▪ COOLING ▪ INTEGRATED IN HP ▪ Press right arrow (>) to activate. An asterisk (*) appears. Active cooling is configured by the parameters shown below: Parameter Meaning START...

  • Page 15: Activation Of Optimum Circulation (Variable Speed) Pump

    Commissioning iTec Eco Activating distribution circuit 1 in the SERVICE menu: ▪ SERVICE ▪ INSTALLATION ▪ SYSTEM ▪ DISTR. CIRCUIT 1 ▪ HEAT CURVE or CONSTANT TEMP When HEAT CURVE is selected, the dis- tribution circuit controls to the set heat curve.

  • Page 16: Activate Eq-Function

    Commissioning iTec Eco 3.11 Activate EQ-function The following settings are made in the Service Menu. If not already in the Service Menu, enter the Service Menu by pressing and holding left arrow (<) for at least 5 seconds. Use + or – to move up and down in the menu.

  • Page 17: Factory Setting

    Commissioning iTec Eco 3.12 Factory setting The following settings are made in the Service Menu. If not already in the Service Menu, enter the Service Menu by pressing and holding left arrow (<) for at least 5 seconds. Use + or – to move up and down in the menu.

  • Page 18: Find Min. Flow

    Commissioning iTec Eco Find min. flow Finding the min. flow Finding a sufficient flow in order to activate the flow switch can be done in the following ways: ▪ Automatically, using the FIND MIN. FLOW parameter ▪ Manually, setting the START FLOW CIRC. value for the optimum circulation pump Make sure to activate all functions to be affected, before you start the detection sequence! If any functions are activated after the FIND MIN.FLOW sequence is done, they will have their respective default setting.
  • Page 19 Commissioning iTec Eco Find the min. flow in the menu: ▪ SERVICE ▪ OPTIMUM ▪ FIND MIN. FLOW ▪ Press right arrow (>) to enter the FIND MIN. FLOW menu. The off symbol ( ) is shown. ▪ Press right arrow (>) to activate the FIND MIN. FLOW menu.
  • Page 20 Commissioning iTec Eco Press left arrow (<) several times to navigate back to the Service Menu. The min. flow found in this procedure is the actual flow that exists in the current configuration of the system. Seasonal variations with dif- ferent temperatures may alter the behavior of the system and this may affect the flow as well.

  • Page 21: Manual Test

    Commissioning iTec Eco Manual test The installation may only be commissioned if the heating system and Caution water heater have been filled and bled. Otherwise the circulation pump can be damaged. Any alarms that may occur in connection with the installation must be Caution fault-traced.
  • Page 22 Commissioning iTec Eco Parameter Meaning 0-10V for test of speed controlled circulation pump. CIRC. PUMP Depending on type and number of connected circulation pumps, this parameter will contain different informa- tion. In the event of pumps with fixed speed, the selection 0 = stop and 1 = start are available For iTec Standard, with fixed speed circulation pump, the flow has to be set from MANUAL TEST.
  • Page 23 Commissioning iTec Eco The following settings are made in the MANUAL TEST menu. To activate MANUAL TEST, see description above. Use + or – to move up and down in the menu. In the MANUAL TEST menu: 1. Use + or – to navigate to the CIRC. PUMP entry ▪...
  • Page 24 Commissioning iTec Eco Parameter Meaning Shows the temperature on the EQ Tank ( Only in Total EQ) TANK SENSOR Shows the temperature on the system return (Only in Total EQ) RETURN SENSOR Shows the temperature on the condenser out sensor.

  • Page 25: Menu Information

    Commissioning iTec Eco Menu information The heat pump has an integrated control system which automatically calculates the heat demand in the house to ensure that the cor- rect amount of heat is produced and emitted when necessary. The control system is operated using a keypad and information is shown in a display and by an indicator.

  • Page 26: Information Menu

    Commissioning iTec Eco INFORMATION menu Menu overview ▪ OPERAT. ▪ HEATING ▪ DISTR. CIRCUIT1 ▪ DISTR. CIRCUIT2 ▪ HOT WATER ▪ COOLING ▪ POOL ▪ BUFFER TANK ▪ OP. DATA ▪ OPERAT. TIME ▪ DEFROST ▪ CALENDAR ▪ CLOCK ▪ HOT WATER BLOCK ▪...

  • Page 27: Heating

    Commissioning iTec Eco Menu selection Meaning Factory setting Operation with heat pump for hot water production and auxiliary heater during peak HOT WATER heating charging (anti-legionella function). When the operation is set to HOT WA- TER, the circulation pump is not run- ning.

  • Page 28: Distribution Circuit 1 - 2

    Commissioning iTec Eco Parameter Meaning The temperature that will apply at temperature setback. Temperature setback is activated via the calendar func- SETBACK TEMP tion. When the function is activated ROOM is the temperature that is set here. Factory setting: 18°C, range: 10°C – 30°C ROOM FACTOR Only displayed if an accessory Room temperature sensor is installed.

  • Page 29: Hot Water

    Commissioning iTec Eco HOT WATER Parameter Meaning HOT WATER Allows hot water production. Factory setting: , range: – ON MODE ▪ "COMFORT" is the choice for customers with large demands of hot water availability. COMFORT ▪ "ECO" can be selected as the best compromise between energy efficiency and hot water availability.

  • Page 30: Op. Data

    Commissioning iTec Eco Parameter Meaning Activate high temperature mode when the external auxiliary heater is selected. TANK TOP UP The external auxiliary heater will heat the tank to the highest permitted tank temperature. Factory setting: , range: – ON The function permits a reduction of the temperature in the tank when the temperature reduction is set to active RED.

  • Page 31: Defrost

    Commissioning iTec Eco Parameter Meaning Operating time for IMMERSION HEATER 2. IMM. HEAT 2 Operating time for IMMERSION HEATER 3. IMM. HEAT 3 7.10 DEFROST Parameter Meaning Total number of defrosts carried out. DEFROSTS The operating time of the compressor in minutes between the two last defrosts.

  • Page 32: Language

    Commissioning iTec Eco 7.13 LANGUAGE Menu selection SVENSKA ENGLISH DEUTSCH NEDERLANDS FRANÇAIS ESPAÑOL ITALIANO NORSK DANSK SUOMI EESTI POLSKI ČEŠTINA SLOVENSKI SLOVENSKÝ HRVATSKI SRPSKI LIETUVOS ÍSLENSKA TÜRKÇE MAGYAR ROMÂNĂ PORTUGUÊS български русский AWIE01CM202 Thermia AB...

  • Page 33: Service Menu

    Commissioning iTec Eco SERVICE menu Menu overview To be able to chose a specific function, the sensor for that function must be connected. ▪ HOT WATER ▪ HEATING ▪ COOLING ▪ AUX. HEATER ▪ MANUAL TEST ▪ INSTALLATION ▪ SYSTEM ▪...

  • Page 34: Heating

    Commissioning iTec Eco Parameter Meaning Time in hours that the legionella demand is to be fulfilled for peak heating charging to be considered com- TOPH. TIME plete. Factory setting: , range: , 1H – 10H Stop temperature for peak heat charging. Operating mode that permits auxiliary heater must be selected.

  • Page 35: Aux. Heater

    Commissioning iTec Eco Parameter Meaning Activation of room sensor function for influencing cooling production. ROOM SENSOR Factory setting: , range: – ON Compressor is stopped if the temperature from the room sensors falls below the desired temperature minus COOL.HYST.RS LO COOL.HYST.RS LO.

  • Page 36: Manual Test

    Commissioning iTec Eco MANUAL TEST Parameter Meaning MANUAL TEST 0 = deactivate manual test 1 = activate manual test 2 = activate manual test with option of navigating from the SERVICE menu to check that the temperatures rise for example.

  • Page 37: Installation

    Commissioning iTec Eco INSTALLATION Parameter Submenu Meaning SYSTEM HEAT SOURCE Selecting heat pump type for configuration of control. Outdoor air with direct evaporation and four-way valve. Activates the pool function. POOL Factory setting: , range: – ON Activates the distribution circuit function and indicates if the circuit is to be controlled DISTRIBUTION CIR- by the heat curve or by a constant temperature.

  • Page 38: Defrost

    Commissioning iTec Eco Parameter Submenu Meaning Indicates the version number of the software in the control. VERSION DISPLAY COMM.KIT MAIN MICOM INV. MICOM EEPROM EXP CARD Time interval between collection points of temperature history in minutes. LOG TIME The history graphs always show the 60 last collection points, which means that the graphs can display history from 1 hour up to 60 hours ago.

  • Page 39: Buffer Tank

    Commissioning iTec Eco Parameter Meaning Highest supply temperature during water heating. MAX H.W CHARGE Factory setting: 50°C, range: 45°C – 65°C Lowest desired supply temperature during water heating. MIN H.W CHARGE Factory setting: 45°C, range: 30°C – 65°C This function is only valid for heat pumps with the Optimum function.

  • Page 40: Outd. Unit Info

    Commissioning iTec Eco Parameter Meaning Indicates if the system shunt group must be controlled by a heat curve or by a constant temperature. Condi- SYSTEM CIRCUIT tions are that CONFIGURATION = TANK CONTROL and the external auxiliary heater is not configured.
  • Page 41 Commissioning iTec Eco Parameter Meaning The current speed of FAN 2, in RPM. For 12kW and16kW. FAN 2 RPM The current workload of FAN 2, in %. For 12kW and16kW. FAN 2(%) The current step for the expansion valve. Range: 0-2000.

  • Page 42: Starting Up

    Commissioning iTec Eco Starting up Now it's time to start the system and do the final settings and adjustments. Starting the system Set the heat pump to the desired operating mode in the menu INFORMATION -> OPERAT. The following operating modes are available:...
  • Page 43 Commissioning iTec Eco A high setting may result in noise and vibrations in the heating sys- tem. A too low setting may result in high pressure-, or low heat circulation flow alarms. Adjusting the speed for the constant-speed pump ▪ Start with maximum speed setting.

  • Page 44: Bleeding And Filling The Hot Water Heater And Heating System

    Commissioning iTec Eco Bleeding and filling the hot water heater and heating system 1. Open all radiator valves fully. 2. Start the heat pump. 3. Listen for air in the system. 4. Refill the heating system to a pressure of min. 0,8-1,5 bar.

  • Page 45: Tuning The System

    Commissioning iTec Eco Tuning the system 11.1 Tuning the heating system To obtain a heating system balance and obtain an even and comfortable indoor temperature, the heating system may need adjustment according to the example below. The indoor temperature is adjusted by changing the heat curve. The heat curve calculates the supply temperature depending on the outdoor temperature.
  • Page 46 Commissioning iTec Eco 1. Supply temperature (°C) 2. Maximum supply temperature 3. Outdoor temperature (°C) 4. 0°C 5. Value for CURVE is 40°C -2 0 Fig. 1: Graph showing the set value 40 for CURVE. In the event of outdoor temperatures below 0°C, a higher setpoint value is calculated and in the event of outdoor temperatures greater than 0°C, a lower setpoint value is calculated.
  • Page 47 Commissioning iTec Eco 1. Supply temperature (°C) 2. Desired supply temperature 3. Outdoor temperature (°C) -2 0 Fig. 3: Changing the ROOM value changes the heat curve upwards or downwards The relationship of the supply temperature to the outdoor temperature will not be affected.
  • Page 48 Commissioning iTec Eco 11.6 FLOW FACTOR The flow factor is used to compensate for deviating pressure drops in pipe system. A system with high pressure drop needs to be com- pensated by a factor greater than 1 to get the full effect from outdoor unit. The preset value works for most systems. Keep in mind that a high flow can create unwanted noise in the pipe system.
  • Page 49 Commissioning iTec Eco 11.7 Silent mode Outdoor unit option settings by tact switches: K1 K2 K3 K4 All outdoor unit settings are set with the K2 button. 8 kW, 12 kW, 16 kW 5 kW K1 K2 K3 K4 ▪ Press the K2 switch for 2 seconds, ONLY if the compressor has stopped.
  • Page 50 Commissioning iTec Eco 11.8 Offset settings for defrost mode Outdoor unit option settings by tact switches: K1 K2 K3 K4 Depending on what climate zone you are located in, you may need to adjust defrost settings, on the outdoor unit, by changing the defrost offset.

  • Page 51: Error Codes

    Commissioning iTec Eco Error codes The error codes shown in the table below will be visible in the INDOOR UNIT display whenever an error is detected from the OUTDOOR UNIT. ALL errors will stop the compressor from running until the error is solved. Some errors are automatically cleared, some needs man- ual action and some severe errors might even need hardware to be replaced or serviced.
  • Page 52 Commissioning iTec Eco Display Explanation Error source OUTDOOR UNIT fan 2 error OUTDOOR UNIT E475 H/W DC_Link over voltage error OUTDOOR UNIT 1, 4 E483 PFC overload error OUTDOOR UNIT E484 1, 4 Input current sensor error OUTDOOR UNIT E485...

  • Page 53: Installation Protocol And Customer Info

    Commissioning iTec Eco Installation protocol and customer info Fill in the Installation protocol in the User Guide. After installation and test operation, the customer must be informed about their new heat pump installation. In the User guide there is a checklist regarding the information that the installer must give the customer.
  • Page 54 Commissioning iTec Eco AWIE01CM202 Thermia AB...
  • Page 55 Commissioning iTec Eco Thermia AB AWIE01CM202...
  • Page 56 Internet: www.thermia.com Thermia can accept no responsibility for possible errors in catalogues, brochures and other printed material. Thermia reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.

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